介绍家人This is my... — 英语选择题
题目
Lily在家庭聚会上向朋友们介绍照片里的家人。她指着一位老爷爷说'This is my grandpa.'；指着一位老奶奶说'This is my grandma.'；指着一位男士说'This is my father.'；指着一位女士说'This is my mother.'。最后她指着自己身边的男孩说：'This is my brother, Tom.'。请问：照片中一共有几位家人被介绍？A. Four B. Five C. Three D. Six